1) North Carolina General Statutes §45-36.9 requires that you must submit a satisfaction instrument to the. A mortgage payoff letter can come in two forms.One form tells borrowers the remaining principal amount and interest they have to pay to close out the loan. Loan payoff quotes are available for auto loans, personal loans, lines of credit, credit cards, and mortgages. 1) Call the mortgage department and request an official principal payoff letter. In North Carolina, a lender has 60 days from the date the loan is satisfied to file the cancellation documents. A copy of the payoff statement for the first mortgage. Any overage payments will be refunded at a later date. Jump To: Borrower Service Pay Off a Loan Send a Loan Payment Request Loan Subordination. Any excess amount that you pay will be refunded.